EASY
CUET (UG)
IMPORTANT
Earn 100
Carbon, silicon and germanium have four valence electrons each. These are characterized by valence and conduction bands separated by energy band gap respectively equal to and . Which of the following statements is true?
16.67% studentsanswered this correctly
Important Questions on Semiconductor Electronics: Materials, Devices and Simple Circuits
EASY
CUET (UG)
IMPORTANT
The conductivity of a semiconductor increases with increase in temperature because
EASY
CUET (UG)
IMPORTANT
In semiconductor, at room temperature:
EASY
CUET (UG)
IMPORTANT
Which one of the following is not an elemental semiconductor?
EASY
CUET (UG)
IMPORTANT
In an intrinsic semiconductor, the forbidden energy gap between valence band and a conduction band is of the order of _____.
EASY
CUET (UG)
IMPORTANT
For which of the following substance, resistance decreases with increase in temperature?
MEDIUM
CUET (UG)
IMPORTANT
Which of the following term is not related to compound semiconductors?
EASY
CUET (UG)
IMPORTANT
Gallium arsenide is an example of:
MEDIUM
CUET (UG)
IMPORTANT
A silicon specimen is made into a -type semiconductor by doping, on an average, one indium atom per silicon atoms. If the number density of atoms in the silicon specimen is atoms , then the number of acceptor atoms in silicon per cubic centimeter will be
